body {
	font-family: "微软雅黑";
	font-size: 14px;
}

h1 {
	text-align: center;
	font-family: 28px;
}

#score {
	display: block;
	font-size: 26px;
	text-align: center;
	margin: 10px 0px;
}

#main {
	width: 408px;
	height: 408px;
	background-color: white;
	border: 3px solid #4d4f53;
	margin: 0 auto;
		overflow: hidden;
}

#con {
	width: 100%;
	height: 100%;
	position: relative;
	top: -408px;
}

#start {
	display: block;
	width: 180px;
	height: 48px;
	line-height: 48px;
	margin: 30px auto;
	border-radius: 4px;
	background-color: white;
	border: 1px solid #666666;
	font-size: 22px;
	font-weight: bold;
	color: #333333;
	outline: none;
}

#start:hover {
	background-color: #cc0000;
	border: 1px solid #cc342d;
	color: white;
	cursor: pointer;
}

.row {
	height: 102px;
	width: 100%;
}

.cell {
	width: 100px;
	height: 100px;
	float: left;
	border: 1px solid #d7dcdd;
}

.black {
	background-color: #444444;
	border: 1px solid #444444;
}

.error {
	background-size: 80px 80px;
	background-image: url(../images/error.png) ;
	background-position: center;
	background-repeat: no-repeat;

}
